The average American’s adjusted gross income rose in both 2014 and 2015, according to the IRS. In its Spring 2017 Statistics of Income Bulletin, the IRS released data on increased average AGI of taxpayers for tax year 2014 and preliminary data on returns for tax year 2015, as well as AGI information. The Statistics of Income Division produces the online bulletin quarterly, providing recent data from various tax and information returns filed by U.S. taxpayers.